Quote:
Originally Posted by ard
Have ambient temperatures changed over the course of this 'switch' in tires? I wonder if that could be impacting efficiency.
2-3MPG and every BMW would be running ecopias from the factory....
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The temperature here in Illinois has been from the low 40's to the low 80's and fluctuating everywhere in between. I swear, I have done absolutely nothing different in my driving style or the type of fuel I use. The truck has remained unchanged except for a steering shaft replacement and the cabin filters being replaced.
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2010 X5 3.0 X-drive Titanium Silver/Black
2018 Ford F-150 Platinum Crew
2010 528xi (His)
2017 M2 Manual (His)
Former Headaches:
2008 X5 RIP
2015 M235
2013 135is
2009 535xi Wagon (JUNK) 
2007 530xi 6spd CPO Sport (Best Damn Car EVER)
2011 335xi M-sport Coupe 6spd (Sex on Wheels)
2010 550GT "CPO" (Junk)
2012 X5 35d "CPO" (More Junk)
2004 330i ZHP Sedan
2002 325xi Wagon
2000 323i Sedan
1998 M3 Sedan
1992 325i Sedan
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